[PATCH 03/29] dm: use bdev_nr_sectors instead of open coding it

[Mike Snitzer]

On Wed, Oct 13 2021 at  1:10P -0400,
Christoph Hellwig <hch at lst.de> wrote:

> Use the proper helper to read the block device size.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Acked-by: Mike Snitzer <snitzer at redhat.com>